diff --git a/dlls/comctl32/toolbar.c b/dlls/comctl32/toolbar.c
index 19d45a0e584..aa9ffcd3c7e 100644
--- a/dlls/comctl32/toolbar.c
+++ b/dlls/comctl32/toolbar.c
@@ -4088,6 +4088,7 @@ TOOLBAR_DeleteAllButtons(TOOLBAR_INFO *infoPtr)
 
     for (i = 0; i < infoPtr->nNumButtons; i++)
     {
+        free_string( infoPtr->buttons + i );
         TOOLBAR_TooltipDelTool(infoPtr, &infoPtr->buttons[i]);
     }